4-12 Inch BOROFLOAT 33 Borosilicate Glass Wafers for Anodic Bonding - 100μm to 0.5mm Thickness
Price:
Negotiable
MOQ:
5 pcs
Delivery Time:
1-4 weeks
Brand:
BonTek
Product Description
Product Overview
Borosilicate glass wafers (BOROFLOAT 33) from 4 to 12 inches diameter, specifically CTE adapted to silicon for optimal anodic bonding applications. These wafers offer exceptional chemical resistance and thermal stability with thicknesses starting from 100μm and surface roughness (Ra) below 1nm.
Key Specifications
| Specification | 4" | 6" | 8" | 12" |
|---|---|---|---|---|
| Diameter | 100mm | 150mm | 200mm | 300mm |
| Thickness | 0.10mm up | 0.30mm up | 0.40mm up | 0.50mm up |
| Primary Flat | 32.5mm | 47.5mm / 57.5mm / Notch | Notch | Notch |
| LTV (5mm×5mm) | < 0.5μm | < 0.5μm | < 0.5μm | < 0.5μm |
| TTV | < 2μm | < 3μm | < 3μm | < 10μm |
| Bow | ±20μm | ±30μm | ±40μm | ±40μm |
| Warp | ≤ 30μm | ≤ 40μm | ≤ 70μm | ≤ 80μm |
| Edge Rounding | Compliant with SEMI M1.2 Standard / refer to IEC62276 | |||
| Surface Type | Single Side Polished / Double Sides Polished | |||
| Polished side Ra | Ra ≤ 1nm | |||
| Back Side Criteria | Ra 0.2-0.7μm or Customized | |||
Material Properties
| Property | Value |
|---|---|
| Density | 2.23 g/cm³ |
| Modulus of Elasticity | 63 kN/mm² |
| Knoop Hardness HK 0.1/20 | 480 |
| Poisson's Ratio | 0.2 |
| Dielectric Constant (@ 1 MHz & 25°C) | 4.6 |
| Loss Tangent (@ 1 MHz & 25°C) | 37 × 10⁻⁴ |
| Dielectric Strength (@ 50 Hz & 25°C) | 16 kV/mm |
| Refractive Index | 1.472 |
| Dispersion (nF - nC) | 71.9 × 10⁻⁴ |
Product Images
Frequently Asked Questions
Q: What are the products you mainly work on?
A: We are piezo wafer specialists with 30 years of experience in single crystal quartz manufacturing. We produce quartz blanks, LiNbO3, LiTaO3, quartz glass, LGS, and CTGS wafers with superior angle precision for AT, SC, and IT cuts.
Q: Can you accept product customization?
A: Yes, we offer full customization and can fabricate according to your specifications. Our experienced team can provide technical recommendations and we maintain standard wafer inventory for immediate delivery.
Q: Can you deliver the goods via our courier agent?
A: Yes, we can ship using your preferred courier (DHL, FedEx, UPS) via your account, or we can arrange shipping with our discounted international carrier rates.
Q: How can you guarantee we get what we want safely?
A: We use specialized fragile packaging with buffer sponge and proper cartoning. Follow our acceptance check procedure: inspect outer carton condition, photograph packaging before removal, open vacuum packages in clean rooms, and immediately document any damage without removing products from packaging.
Q: Can we visit your factory?
A: Yes, factory inspections are welcome for large quantity purchases and long-term cooperation. We also offer videoconferencing for remote inspections.
Acceptance Check Procedure
- Handle products with care upon receipt and inspect outer carton condition
- Carefully open outer carton and check packaging box alignment
- Photograph packaging before removing products
- Open vacuum packages only in clean room environments
- If damage is found, photograph/video immediately without removing products from packaging and contact us
Similar Products
Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.
Company
Hangzhou Freqcontrol Electronic Technology Ltd.
Location
Room 1106, CIBC, No.198 Wuxing Rd, Hangzhou, P.R.China
Contact Person
Xu